The indications for cutaneous dermal overgrafting.
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Surgical procedures for tissues damaged by radiation are fraught with the possibility of multiple and serious complications. A knowledge of the altered pathophysiology of such tissues (chiefly diminished blood supply, fibrosis, and direct cellular reparative potential) is necessary for the surgeon to make a proper judgment. Recognition of the pathognomic signs in the skin is important. The possibility of malignant change must be kept in mind. Surgical treatment must include the excision of radiated tissues back to good blood supply, and then proper and adequate coverage by the simplest and best means. If the surrounding local tissues are so altered that they are unsuitable for coverage, structures from a distance must be used. Prior planning of the coverage before the excision pays dividends by preventing disastrous complications.
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A new type of flap is described based on unnamed perforators located near the midline of the lower back region. Such flaps combine the superior blood supply of the myocutaneous flap with the lack of donor-site morbidity of a skin flap. Five clinical cases are presented, showing how such perforators can augment skin flaps or create custom-designed island flaps. The dissection of the flap is described, and further possibilities for its use are suggested.
The posterior intermuscular approach emphasizes preservation of the soleus muscle by an intermuscular surgical approach to the vessels of the leg. The dissection proceeds from a normal zone proximally toward the zone of injury and facilitates selection of the site of microanastomosis. The neurovascular supply of the soleus is guarded, and its numerous venous channels are avoided. The indications and surgical planning are discussed. Two illustrative cases are presented.
A new extended external oblique musculocutaneous flap utilized in the reconstruction of chest-wall defects is described. The flap is drawn as a V-Y rotation flap on the ipsilateral abdominal wall. It is laterally based, and its pedicle coincides with the five lowest costal insertions of the external oblique. The flap extends above the transiliac line, from the posterior axillary line to the linea alba, and includes the dynamic territory of the external oblique muscle. Vascular supply is provided by the musculocutaneous perforating arteries of the intercostal vessels and their subcutaneous branches. The flap is raised medially and includes the anterior sheath of the rectus. Undermining continues between the external and the internal oblique muscles as far as the posterior axillary line. The donor site on the abdominal wall is reinforced by the plication of the internal oblique sheath. This flap was used in 13 patients with major anterior chest-wall excisional defects. The mean chest-wall defect was about 390 cm2. Marginal necrosis with distal skin loss was observed in one patient. All other flaps healed without complications. The extended external oblique musculocutaneous flap differs from other external oblique flaps already described in several aspects that allow it to obtain better functional and aesthetic results.
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Revascularization for arterial stenosis in varied anatomic sites exposed to therapeutic radiation has been well described. In most circumstances, symptomatic end organ ischemia has been the indication for surgical intervention. We report the case of a patient who had symptomatic carotid stenosis 40 years after having ipsilateral neck dissection with radiation therapy. We did a saphenous vein graft interposition and free flap reconstruction of the overlying damaged skin.
More than 50% of all cancer patients receive some form of radiotherapy for tumor control preoperatively, postoperatively, or as sole treatment. Radiation-induced wounds are a concern for patients and practitioners. Current research investigating alternative treatment strategies offers the hope of improved wound healing and enhanced quality of life for patients with these wounds. This paper reviews the pathophysiology of wounds following radiation treatment, the methods for treating radiation-induced wounds, and experimental treatment strategies that have been investigated.
BACKGROUND: Controversy surrounds the potential complication rate of patients with collagen vascular diseases (CVD) after radiation. We assess the acute and late complications (based on Radiation Therapy Oncology Group criteria) by a matched-control retrospective study. PATIRNTS/METHODS: The charts of 12,000 patients treated with radiation therapy at the University of Louisville from 1982 to 2001 were reviewed for CVD. A total of 38 patients with documented CVD were compared with a matched-control group of 38 patients without CVD. Median follow-up for patients with CVD was 35 months. The patients were matched on the basis of site treated, age, dose, date of treatment, sex, treatment goal, follow-up, tumor site and histology, therapeutic technique, and general treatment method. The patients with CVD included 21 patients with systemic lupus erythematosus (55%), two with scleroderma (5%), four with Raynaud's phenomena (11%), three with fibromyalgia (8%), three with polymyalgia rheumatica (8%), three with Sjögren's syndrome (8%), and two with polymyositis-dermatomyositis (5%). Twenty-nine patients received curative doses, and nine patients received palliative doses. RESULTS: No difference was observed in the incidence of acute or late complications between the two groups. For CVD and matched-control patients receiving curative doses, the incidence of acute reaction for grade II was 49% versus 58% and for grade III was 7% versus 7%, respectively. The incidence of late reactions for patients with CVD and the matched control patients for grade I was 3% versus 7%, for grade II was 7% versus 3%, and for grade III was 7% versus 7%, respectively. The patients treated with palliation had a similar incidence of acute reaction in the CVD and the matched-control groups. No patients in the CVD or matched-control group had fatal complications. Only patients with scleroderma had a slight increase in acute and late complications. CONCLUSION: This is the largest matched-control study thus far in the literature. In the comparison between the patients with CVD and the matched-control patients, there was no significant difference in the incidence of acute or late complication. However, there was a higher incidence of radiation complications in patients with scleroderma. Importantly, no fatal complication was noted in any of the patients with CVD.
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Women who are diagnosed with breast cancer and undergoing chemotherapy and radiation are at high risk of developing acute radiation dermatitis. The purpose of this case study is to explore an alternative topical therapy for skin toxicity in the post-radiation care of a patient with a history of breast cancer. The patient, a 54-year-old white female, was treated by modified radical mastectomy, chemotherapy, and radiation. During post-radiation therapy the patient developed wet desquamation reaction over the midincision line into the right axilla. Balsam Peru, hydrogenated castor oil, trypsin (Xenaderm Healthpoint, San Antonio, Tex) was trialed to evaluate efficacy in providing wound healing to the denuded skin. Within 14 days of treatment, the area was completely healed and topical therapy stopped. This case study provides the basis for further research into the area of topical therapy for women with moist desquamation after radiation for breast cancer.
A retrospective review of the treatment of 15 breast cancer patients who received postoperative radiotherapy after a mastectomy and transverse rectus abdominis myocutaneous (TRAM) flap breast reconstruction was undertaken to determine the effects of postoperative irradiation on flap viability and cosmesis. Fourteen patients had pedicle TRAM flaps, and one patient had a free TRAM flap. Surgical complications, acute and chronic side effects of radiotherapy, and cosmetic outcome were evaluated. The median interval between the TRAM flap procedure and radiotherapy was 7 months. The median total radiation dose was 60 Gy. All patients underwent three-dimensional radiotherapy treatment planning to determine the optimal dose distribution. Mild erythema developed in 9 patients (60%), moderate erythema developed in 2 (13%), and severe erythema developed in 1 (7%). Dry desquamation developed in 6 patients (40%), whereas moist desquamation developed in none. At median follow-up of 26.4 months, only 2 (13%) of the 15 patients had fat necrosis within the TRAM flap that was not present before radiotherapy. Fourteen patients (93%) retained their flap, and 13 patients (87%) rated their cosmetic outcome as "good" to "excellent." We conclude that TRAM flaps can be irradiated with few complications and acceptable cosmetic results.